Quantitative Aptitude - Arithmetic Ability Questions

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the

In a college, 25% of male faculties are same in number as 1/3rd of the female faculties. What is the ratio of male faculty to female faculty in that college?

Sahil sold an item for Rs. 280 at a loss of 20%. The cost price of the item was

The largest chord of the circle has a length of 20.4 cm. The radius of the circle will be _____.

A shop keeper cheats to the extent of 10% while buying and selling fruits, by using tampered weights. His total gain, in %, is:

In figure, DE || BC. If DE = 3 cm, BC = 6 cm and area of ΔADE = 15 sq cm, then the area of ΔABC is

The ages of A and B differ by 16 years. If 6 years ago, the elder one was 3 times as old as the younger one, find the present age of the younger between A and B?

tan(A/2) is equal to